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<!--
SPDX-FileCopyrightText: The WebKit GTK and WPE teams
SPDX-License-Identifier: BSD, LGPL-2.1
-->
<!DOCTYPE html>
<html lang="en">
<head>
<title>WPEWebKit.UserContentManager</title>
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<meta property="og:title" content="WPEWebKit.UserContentManager"/>
<meta property="og:description" content="Reference for WPEWebKit.UserContentManager"/>
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<meta name="twitter:description" content="Reference for WPEWebKit.UserContentManager"/>
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</div>
<div class="section namespace">
<h3><a href="index.html">WPEWebKit</a></h3>
<p>API Version: 2.0</p>
<p>Library Version: 2.50.5</p>
</div>
<div class="section">
<h5>Type</h5>
<div class="links">
<a class="current" href="class.UserContentManager.html#description">UserContentManager</a>
</div>
</div>
<div class="section">
<h5>Constructors</h5>
<div class="links">
<a class="ctor" href="ctor.UserContentManager.new.html">new</a>
</div>
</div>
<div class="section">
<h5>Instance methods</h5>
<div class="links">
<a class="method" href="method.UserContentManager.add_filter.html">add_filter</a>
<a class="method" href="method.UserContentManager.add_script.html">add_script</a>
<a class="method" href="method.UserContentManager.add_style_sheet.html">add_style_sheet</a>
<a class="method" href="method.UserContentManager.register_script_message_handler.html">register_script_message_handler</a>
<a class="method" href="method.UserContentManager.register_script_message_handler_with_reply.html">register_script_message_handler_with_reply</a>
<a class="method" href="method.UserContentManager.remove_all_filters.html">remove_all_filters</a>
<a class="method" href="method.UserContentManager.remove_all_scripts.html">remove_all_scripts</a>
<a class="method" href="method.UserContentManager.remove_all_style_sheets.html">remove_all_style_sheets</a>
<a class="method" href="method.UserContentManager.remove_filter.html">remove_filter</a>
<a class="method" href="method.UserContentManager.remove_filter_by_id.html">remove_filter_by_id</a>
<a class="method" href="method.UserContentManager.remove_script.html">remove_script</a>
<a class="method" href="method.UserContentManager.remove_style_sheet.html">remove_style_sheet</a>
<a class="method" href="method.UserContentManager.unregister_script_message_handler.html">unregister_script_message_handler</a>
</div>
</div>
<div class="section">
<h5>Signals</h5>
<div class="links">
<a class="signal" href="signal.UserContentManager.script-message-received.html">script-message-received</a>
<a class="signal" href="signal.UserContentManager.script-message-with-reply-received.html">script-message-with-reply-received</a>
</div>
</div>
<div class="section generator">
<p>Generated by <a href="https://gitlab.gnome.org/GNOME/gi-docgen">gi-docgen</a> 2023.1</p>
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<section id="main" class="content">
<header>
<h3>Class</h3>
<h1 aria-label="Name"><a href="index.html">WPEWebKit</a><span class="sep" role="presentation"></span>UserContentManager</h1>
</header>
<section>
<summary>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
<div class="toggle-wrapper">
<h4 id="description" style="display:flex;">
Description
<a href="#description" class="anchor"></a>
<a class="srclink" title="go to source location" href="https://github.com/WebKit/WebKit/tree/main/Source/WebKit/UIProcess/API/glib/WebKitUserContentManager.cpp#L55">[src]</a>
</h4>
<pre><code>final class WPEWebKit.UserContentManager : GObject.Object {
/* No available fields */
}</pre></code>
<div class="docblock">
<p>Manages user-defined content which affects web pages.</p>
<p>Using a <code>WebKitUserContentManager</code> user <span class="caps">CSS</span> style sheets can be set to
be injected in the web pages loaded by a <code>WebKitWebView</code>, by webkit_user_content_manager_add_style_sheet().</p>
<p>To use a <code>WebKitUserContentManager</code>, it must be created using
webkit_user_content_manager_new(), and then used to construct
a <code>WebKitWebView</code>. User style sheets can be created with webkit_user_style_sheet_new().</p>
<p>User style sheets can be added and removed at any time, but
they will affect the web pages loaded afterwards.</p>
</div>
<div class="docblock">
<p>Available since: 2.6</p>
</div>
</div>
</summary>
<div class="toggle-wrapper hierarchy">
<h4 id="hierarchy">
Hierarchy
<a href="#hierarchy" class="anchor"></a>
</h4>
<div class="docblock" alt="Hierarchy for WPEWebKit.UserContentManager">
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</div>
<div class="toggle-wrapper ancestors">
<h4 id="ancestors">
Ancestors
<a href="#ancestors" class="anchor"></a>
</h4>
<div class="docblock">
<ul>
<li class="class"><a class="external" href="javascript:void(0)" data-link="class.Object.html" data-namespace="GObject">GObject</a></li>
</ul>
</div>
</div>
<div class="toggle-wrapper constructors">
<h4 id="constructors">
Constructors
<a href="#constructors" class="anchor"></a>
</h4>
<div class="docblock">
<div class="">
<h6><a href="ctor.UserContentManager.new.html">webkit_user_content_manager_new</a></h6>
<div class="docblock">
<p>Creates a new user content manager.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
</div>
</div>
</div>
<div class="toggle-wrapper methods">
<h4 id="methods">
Instance methods
<a href="#methods" class="anchor"></a>
</h4>
<div class="docblock">
<div class="">
<h6><a href="method.UserContentManager.add_filter.html">webkit_user_content_manager_add_filter</a></h6>
<div class="docblock">
<p>Adds a <code>WebKitUserContentFilter</code> to the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.24</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.add_script.html">webkit_user_content_manager_add_script</a></h6>
<div class="docblock">
<p>Adds a <code>WebKitUserScript</code> to the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.add_style_sheet.html">webkit_user_content_manager_add_style_sheet</a></h6>
<div class="docblock">
<p>Adds a <code>WebKitUserStyleSheet</code> to the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.register_script_message_handler.html">webkit_user_content_manager_register_script_message_handler</a></h6>
<div class="docblock">
<p>Registers a new user script message handler in script world.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.40</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.register_script_message_handler_with_reply.html">webkit_user_content_manager_register_script_message_handler_with_reply</a></h6>
<div class="docblock">
<p>Registers a new user script message handler in script world with name <code>world_name</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.40</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_all_filters.html">webkit_user_content_manager_remove_all_filters</a></h6>
<div class="docblock">
<p>Removes all content filters from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.24</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_all_scripts.html">webkit_user_content_manager_remove_all_scripts</a></h6>
<div class="docblock">
<p>Removes all user scripts from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_all_style_sheets.html">webkit_user_content_manager_remove_all_style_sheets</a></h6>
<div class="docblock">
<p>Removes all user style sheets from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.6</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_filter.html">webkit_user_content_manager_remove_filter</a></h6>
<div class="docblock">
<p>Removes a filter from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_filter_by_id.html">webkit_user_content_manager_remove_filter_by_id</a></h6>
<div class="docblock">
<p>Removes a filter by the given identifier.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.26</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_script.html">webkit_user_content_manager_remove_script</a></h6>
<div class="docblock">
<p>Removes a <code>WebKitUserScript</code> from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.32</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.remove_style_sheet.html">webkit_user_content_manager_remove_style_sheet</a></h6>
<div class="docblock">
<p>Removes a <code>WebKitUserStyleSheet</code> from the given <code>WebKitUserContentManager</code>.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.32</span></p>
</div>
</div>
<div class="">
<h6><a href="method.UserContentManager.unregister_script_message_handler.html">webkit_user_content_manager_unregister_script_message_handler</a></h6>
<div class="docblock">
<p>Unregisters a previously registered message handler in script world with name <code>world_name</code>.
If <code>NULL</code> is passed as the <code>world_name</code>, the default world will be used.</p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.40</span></p>
</div>
</div>
</div>
<div class="toggle-wrapper default-hide ancestor-methods"><h5 style="display:block;">Methods inherited from <a class="external" href="javascript:void(0)" data-link="class.Object.html" data-namespace="GObject">GObject</a> (43)</h5>
<div class="docblock">
<div class="docblock">
<p>Please see <a class="external" href="javascript:void(0)" data-link="class.Object.html#methods" data-namespace="GObject">GObject</a> for a full list of methods.</em></p>
</div>
</div>
</div>
</div>
<div class="signals toggle-wrapper">
<h4 id="signals">
Signals
<a href="#signals" class="anchor"></a>
</h4>
<div class="docblock">
<div class="">
<h6><a href="signal.UserContentManager.script-message-received.html">WPEWebKit.UserContentManager::script-message-received</a></h6>
<div class="docblock">
<p>This signal is emitted when JavaScript in a web view calls
<code>window.webkit.messageHandlers.<name>.postMessage()</code>, after registering
<code><name></code> using
<code>webkit_user_content_manager_register_script_message_handler()</code></p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.8</span></p>
</div>
</div>
<div class="">
<h6><a href="signal.UserContentManager.script-message-with-reply-received.html">WPEWebKit.UserContentManager::script-message-with-reply-received</a></h6>
<div class="docblock">
<p>This signal is emitted when JavaScript in a web view calls
<code>window.webkit.messageHandlers.<name>.postMessage()</code>, after registering
<code><name></code> using
<code>webkit_user_content_manager_register_script_message_handler_with_reply()</code></p>
</div>
<div class="docblock">
<p><span class="emblem available">since: 2.40</span></p>
</div>
</div>
</div>
<div class="toggle-wrapper default-hide ancestor-signals"><h5 style="display:block;">Signals inherited from <a class="external" href="javascript:void(0)" data-link="class.Object.html" data-namespace="GObject">GObject</a> (1)</h5>
<div class="docblock">
<h6><a class="external" href="javascript:void(0)" data-namespace="GObject" data-link="signal.Object.notify.html">GObject::notify</a></h6>
<div class="docblock">
<p>The notify signal is emitted on an object when one of its properties has
its value set through g_object_set_property(), g_object_set(), et al.</p>
</div>
<div class="docblock">
<p></p>
</div>
</div>
</div>
</div>
<div class="class toggle-wrapper default-hide">
<h4 id="class-struct">
Class structure
<a href="#class-struct" class="anchor"></a>
</h4>
<div class="docblock">
<pre><code>struct WPEWebKitUserContentManagerClass {
GObjectClass parent_class;
}</code></pre>
</div>
<div class="docblock">
No description available.
</div>
<div class="docblock">
<h6>Class members</h6>
<dl class="members">
<dt><code>parent_class: GObjectClass</code></dt>
<dd>No description available.</dd>
</dd>
</div>
</div>
</section>
</section>
<div id="toc" class="toc">
<nav aria-labelledby="toc-title">
<p id="toc-title">Content</p>
<ul class="toc-list">
<li class="toc-list-item"><a href="#description"><span class="link-text">Description</span></a></li>
<li class="toc-list-item"><a href="#hierarchy"><span class="link-text">Hierarchy</span></a></li>
<li class="toc-list-item"><a href="#ancestors"><span class="link-text">Ancestors</span></a></li>
<li class="toc-list-item"><a href="#constructors"><span class="link-text">Constructors</span></a></li>
<li class="toc-list-item"><a href="#methods"><span class="link-text">Methods</span></a></li>
<li class="toc-list-item"><a href="#signals"><span class="link-text">Signals</span></a></li>
</ul>
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